ATE255348T1 - HYBRID FOAM-AIR CUSHIONING AND PRODUCTION PROCESS - Google Patents

HYBRID FOAM-AIR CUSHIONING AND PRODUCTION PROCESS

Info

Publication number
ATE255348T1
ATE255348T1 AT97927713T AT97927713T ATE255348T1 AT E255348 T1 ATE255348 T1 AT E255348T1 AT 97927713 T AT97927713 T AT 97927713T AT 97927713 T AT97927713 T AT 97927713T AT E255348 T1 ATE255348 T1 AT E255348T1
Authority
AT
Austria
Prior art keywords
air
base
air cells
skin
edges
Prior art date
Application number
AT97927713T
Other languages
German (de)
Inventor
Kurt Graebe
Winfield R Matsler
Original Assignee
Roho Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Roho Inc filed Critical Roho Inc
Application granted granted Critical
Publication of ATE255348T1 publication Critical patent/ATE255348T1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/021—Detachable or loose seat cushions
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/28—Seat parts with tensioned springs, e.g. of flat type
    • A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • A61G5/1045—Cushions specially adapted for wheelchairs for the seat portion

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

A composite foam base air cell module cushion having a water resistant skin, a contoured foam base designed to relieve pressure on the trochanters and the ischia and an air cell module having two sets of air cells, each partially filled, positioned inside the foam base in a chamber beneath the rear of the base. The skin is of two layer construction with a two-way stretch outer layer and a water impervious inner layer. The bottom of the base is covered with a water impervious sheet and the edges are secured to the edges of the top skin covering. The air cell is made by placing the preformed top into molds smaller in depth than the air cells to partially collapse the air cells before a base is applied to the top to close the open ends of the air cells and trap air therein.
AT97927713T 1996-07-12 1997-05-21 HYBRID FOAM-AIR CUSHIONING AND PRODUCTION PROCESS ATE255348T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/679,267 US5845352A (en) 1996-07-12 1996-07-12 Foam-air hybrid cushion and method of making same
PCT/US1997/008742 WO1998002067A1 (en) 1996-07-12 1997-05-21 Foam-air hybrid cushion and method of making same

Publications (1)

Publication Number Publication Date
ATE255348T1 true ATE255348T1 (en) 2003-12-15

Family

ID=24726230

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97927713T ATE255348T1 (en) 1996-07-12 1997-05-21 HYBRID FOAM-AIR CUSHIONING AND PRODUCTION PROCESS

Country Status (11)

Country Link
US (1) US5845352A (en)
EP (1) EP0925008B1 (en)
JP (1) JP2000514337A (en)
AT (1) ATE255348T1 (en)
AU (1) AU3210797A (en)
CA (1) CA2259923C (en)
DE (1) DE69726583T2 (en)
DK (1) DK0925008T3 (en)
ES (1) ES2212107T3 (en)
PT (1) PT925008E (en)
WO (1) WO1998002067A1 (en)

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Also Published As

Publication number Publication date
EP0925008A1 (en) 1999-06-30
AU3210797A (en) 1998-02-09
EP0925008B1 (en) 2003-12-03
DE69726583T2 (en) 2004-10-07
DK0925008T3 (en) 2004-04-13
EP0925008A4 (en) 2000-05-24
PT925008E (en) 2004-04-30
DE69726583D1 (en) 2004-01-15
CA2259923A1 (en) 1998-01-22
JP2000514337A (en) 2000-10-31
ES2212107T3 (en) 2004-07-16
CA2259923C (en) 2002-09-03
US5845352A (en) 1998-12-08
WO1998002067A1 (en) 1998-01-22

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